public async Task ShouldGetReferral_WhenExistingReferralCodeIsPassed()
{
// Arrange
var referral = new Domain.Models.Referral
{
CustomerId = Guid.NewGuid(),
Id = Guid.NewGuid().ToString("D"),
ReferralCode = "123456"
};
var fixture = new ReferralServiceTestsFixture()
{
Referral = null,
Referrals = new List <Domain.Models.Referral>()
{
referral
}
};
// Act
var result = await fixture.Service.GetReferralByReferralCodeAsync(fixture.ReferralCode);
// Assert
Assert.Equal(referral, result);
}
public async Task ShouldGenerateReferral_WhenCollisionForReferralCodeIsDetected()
{
// Arrange
var referral = new Domain.Models.Referral
{
CustomerId = Guid.NewGuid(),
Id = Guid.NewGuid().ToString("D"),
ReferralCode = "123456"
};
var fixture = new ReferralServiceTestsFixture()
{
Referral = null,
Created = true,
Referrals = new List <Domain.Models.Referral>()
{
referral,
referral
}
};
// Act
var result = await fixture.Service.GetOrCreateReferralForCustomerIdAsync(fixture.CustomerId);
// Assert
Assert.Equal(fixture.ReferralCode, result);
fixture.ReferralRepositoryMock.Verify(c => c.GetByReferralCodeAsync(It.IsAny <string>()), Times.Exactly(3));
fixture.ReferralRepositoryMock.Verify(c => c.CreateIfNotExistAsync(It.IsAny <Domain.Models.Referral>()), Times.Once);
}
public async Task ShouldGetReferral_WhenValidDataIsPassed()
{
// Arrange
var fixture = new ReferralServiceTestsFixture();
// Act
var result = await fixture.Service.GetReferralByCustomerIdAsync(fixture.CustomerId);
// Assert
Assert.Equal(fixture.Referral, result);
}
public async Task ShouldReturnExistingReferralCode_WhenCustomAlreadyHasOne()
{
// Arrange
var fixture = new ReferralServiceTestsFixture();
// Act
var result = await fixture.Service.GetOrCreateReferralForCustomerIdAsync(fixture.CustomerId);
// Assert
Assert.Equal(fixture.ReferralCode, result);
fixture.ReferralRepositoryMock.Verify(c => c.GetByReferralCodeAsync(It.IsAny <string>()), Times.Never);
fixture.ReferralRepositoryMock.Verify(c => c.CreateIfNotExistAsync(It.IsAny <Domain.Models.Referral>()), Times.Never);
}
public async Task ShouldThrowCustomerNotFound_WhenDataDoesNotExist()
{
// Arrange
var fixture = new ReferralServiceTestsFixture()
{
Referral = null
};
// Act
// Assert
await Assert.ThrowsAsync <CustomerNotFoundException>(async() =>
{
await fixture.Service.GetReferralByCustomerIdAsync(fixture.CustomerId);
});
}
public async Task ShouldGenerateReferral_WhenValidDataIsPassed()
{
// Arrange
var fixture = new ReferralServiceTestsFixture()
{
Referral = null,
Created = true
};
// Act
var result = await fixture.Service.GetOrCreateReferralForCustomerIdAsync(fixture.CustomerId);
// Assert
Assert.Equal(fixture.ReferralCode, result);
fixture.ReferralRepositoryMock.Verify(c => c.GetByReferralCodeAsync(It.IsAny <string>()), Times.Once);
fixture.ReferralRepositoryMock.Verify(c => c.CreateIfNotExistAsync(It.IsAny <Domain.Models.Referral>()), Times.Once);
}
public async Task ShouldThrowArgumentNullException_WhenNullReferralCodeIsPassed()
{
// Arrange
var referral = new Domain.Models.Referral
{
CustomerId = Guid.NewGuid(),
Id = Guid.NewGuid().ToString("D"),
ReferralCode = "123456"
};
var fixture = new ReferralServiceTestsFixture();
// Act
// Assert
await Assert.ThrowsAsync <ArgumentNullException>(async() =>
{
await fixture.Service.GetReferralByReferralCodeAsync(null);
});
}
public async Task ShouldThrowCustomerNotFound_WhenNonExistingReferralCodeIsPassed()
{
// Arrange
var referral = new Domain.Models.Referral
{
CustomerId = Guid.NewGuid(),
Id = Guid.NewGuid().ToString("D"),
ReferralCode = "123456"
};
var fixture = new ReferralServiceTestsFixture();
// Act
// Assert
await Assert.ThrowsAsync <CustomerNotFoundException>(async() =>
{
await fixture.Service.GetReferralByReferralCodeAsync(fixture.ReferralCode);
});
}
public async Task ShouldNotCreateCustomerReferral_WhenExistentCustomerIdIsPassed()
{
// Arrange
var referral = new Domain.Models.Referral
{
CustomerId = Guid.NewGuid(),
Id = Guid.NewGuid().ToString("D"),
ReferralCode = "123456"
};
var fixture = new ReferralServiceTestsFixture()
{
Referral = referral
};
// Act
await fixture.Service.CreateReferralForCustomerIfNotExistAsync(fixture.CustomerId);
// Assert
fixture.ReferralRepositoryMock.Verify(c =>
c.CreateIfNotExistAsync(It.Is <Domain.Models.Referral>(
x => x.CustomerId == fixture.CustomerId)), Times.Never);
}